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參數(shù)資料
| 型號： | S-8241 |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | Lithium-Ion/Lithium Polymer Rechargeable Battery Protection IC(For a Single-Cell Pack)(鋰離子/鋰聚合體可再充電電池保護(hù)芯片(用于單節(jié)電池）) |
| 中文描述： | Lithium-Ion/Lithium聚合物可充電電池保護(hù)IC（對于一個單細(xì)胞裝）（鋰離子/鋰聚合體可再充電電池保護(hù)芯片（用于單節(jié)電池）） |
| 文件頁數(shù)： | 2/22頁 |
| 文件大?。?/td> | 236K |
| 代理商： | S-8241 |
Rev.1.1
Seiko Instruments Inc.
1
BATTERY PROTECTION IC (FOR A SINGLE-CELL PACK)
S-8241 Series
The S-8241 is a series of lithium-ion/lithium polymer rechargeable
battery protection ICs incorporating high-accuracy voltage detection
circuits and delay circuits.
These ICs are suitable for protection of single-cell lithium ion/lithium
polymer battery packs from over charge, over discharge and over
current.
Features
(1)
Internal high-accuracy voltage detection circuit
Over charge detection voltage
3.9 V to 4.4 V
(5 mV-step)
Accuracy of
± 25 mV(+25 C) or
± 30 mV(-5 C to +55 C)
Accuracy of ± 50 mV
Over charge release voltage
3.8 V to 4.4 V (*1)
*1: Over charge release voltage = Over charge detection voltage - Over charge hysterisis
The over charge hysterisis can be selected in the range 0.0 to 0.4 V in 50mV steps.
Over charge detection voltage
2.0 V to 3.0 V
(100 mV-step) Accuracy of ± 80 mV
Over charge release voltage
2.0 V to 3.4 V (*2)
Accuracy of ± 100 mV
*2: Over discharge release voltage = Over discharge detection voltage + Over discharge hysterisis
The over discharge hysterisis can be selected in the range 0.0 to 0.7 V in 100mV steps.
Over current 1 detection voltage
0.05 V to 0.3 V (5 mV-step)
Accuracy of ± 30 mV
Over current 2 detection voltage
0. 5 V (fixed)
Accuracy of ± 100 mV
(2)
A high voltage withstand device is used for charger connection pins (VM and CO pins: Absolute
maximum rating = 26 V)
(3) Delay times (over charge: 1 s; over discharge: 125 ms; over current 1: 8 ms; over current 2: 2 ms) are
generated by an internal circuit. (External capacitors are unnecessary.)
(4)
Internal three-step over current detection circuit (over current 1, over current 2, and load short-
circuiting)
(5)
Either the 0V battery charging function or 0V battery charge inhibiting function can be selected.
(6)
Charger detection function and abnormal charge current detection function
The over discharge hysterisis is released by detecting a negative VM pin voltage (typ. -1.3 V).
(Charger detection function)
If the output voltage at DO pin is high and the VM pin voltage becomes equal to or lower than the
charger detection voltage (typ. -1.3 V), the output voltage at CO pin goes low. (Abnormal charge
current detection function)
(7)
Low current consumption
Operation
3.0 A typ.
Power-down mode 0.1 A max.
(8)
Wide operating temperature range:
-40 to +85 C
(9)
Small package
SOT-23-5 (5-pin)
Applications
Lithium-ion rechargeable battery packs
Lithium- polymer rechargeable battery packs
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-8241ABAMC-GBA-T2 | 功能描述:電池管理 4.275V 1-Cell Serial RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8241ABAMC-GBAT2G | 功能描述:電池管理 4.275V 1-Cell Serial RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8241ABBMC-GBBT2G | 功能描述:電池管理 Lithium-Ion battery protection (1 cell) RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8241ABCMC-GBC-T2 | 功能描述:電池管理 4.35V Single Cell RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8241ABCMC-GBCT2G | 功能描述:電池管理 4.35V Single Cell RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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